Light diffuser



FIG. 1 is a front, left side, and top perspective view of a Light Diffuser showing the new design;

FIG. 2 is a front, right side, and bottom perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a top plan view thereof; and

FIG. 8 is a bottom plan view thereof.

The broken lines shown in the drawings illustrate portions of the Light Diffuser that form no part of the claimed design. 

CLAIM The ornamental design for a Light Diffuser, as shown and described. 